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A set of basic utility classes for working with RAR archives and related parity and verification files in pure PHP (no external dependencies). See the [Releases] (https://github.com/DariusIII/rarinfo/releases) page for versioned releases of the whole library, which contains:

ArchiveReader

Abstract base class for the various file inspectors that defines the basic API and implements common methods for file/data handling.

• 3.1 Fixed compatability with Synology NAS
• 3.0 Fixed compatability with OSX
• 2.9 Added clearstatcache() to default reset
• 2.8 Changed getFileList() to return empty array on error
• 2.7 Added strposall() static method
• 2.6 Added methods for creating temporary files
• 2.5 Added support for ArchiveInfo
• 2.4 Fixed getting file sizes on Windows without com_dotnet loaded
• 2.3 Cleaned up code, added convert2hex() method
• 2.2 Added support for Windows timestamps and some tweaks
• 2.1 Code cleanup, made file property protected
• 2.0 Made get/save range methods protected
• 1.9 Improved range checks
• 1.8 Added methods for getting & saving file data by range
• 1.7 Added support for setting analysis byte ranges, improved handling of archive file fragments, added default constructor, and misc fixes.
• 1.6 Improved property initialization
• 1.5 Improved method for unpacking unsigned longs
• 1.4 Seeking in files beyond PHP_INT_MAX now throws exception
• 1.3 Improved filesize calculation for large files
• 1.2 Added dos2unixtime() from RarInfo
• 1.1 Added int64() method for handling 64-bit integers
• 1.0 Initial release (derived from RarInfo v2.8, with bugfixes)

ArchiveInfo (extends ArchiveReader)

Example class that provides a facade for all the readers in the library, and also allows recursive inspection of archives packed within archives.

• 2.3 Fixed empty() and isset() calls on reader properties
• 2.2 Added option to override extensions filter via setArchiveExtensions()
• 2.1 Added support for SzipInfo (7-zip archives)
• 2.0 Improved error reporting for recursive extraction
• 1.9 Added support for recursive extraction using external clients
• 1.8 Restricted stored archives to supported types only
• 1.7 Added ability to reset the readers list dynamically
• 1.6 Added method for setting the readers list per instance
• 1.5 Restricted next_offset values to main archive files only
• 1.4 Added option for getArchiveFileList() to merge all archive file lists
• 1.3 Improved performance and error reporting
• 1.2 Fixed allowsRecursion() method to return only booleans
• 1.1 Fixed backward-compatibility with PHP < 5.3.0
• 1.0 Initial release

RarInfo (extends ArchiveReader)

Class for inspecting the contents of RAR archives.

• 5.7 Fixes out of memory error with corrupt RAR50 files, issue #9
• 5.6 Improved handling of corrupt RAR 5.0 archives
• 5.5 Fixed conversion of external client file paths
• 5.4 Added 'split_after' field to file listing to assist CRC32 checks
• 5.3 Added CRC32 checksums to the file list output
• 5.2 Changed getFileList() to return empty array on error
• 5.1 Speeded up findFileHeader() method quite a bit
• 5.0 Improved handling of external clients, including Windows fix
• 4.9 Added option for extracting files with external clients
• 4.8 Tweaked File header sanity check
• 4.7 Added support for ArchiveInfo
• 4.6 Fixed handling of archives with encrypted headers
• 4.5 Improved handling of some corrupt sources
• 4.4 Improved analysis performance, cleaned up code, fixed b/c
• 4.3 Added handling of RAR 5.0 Quick Open data
• 4.2 Added basic support for the RAR 5.0 archive format
• 4.1 Added handling of zero-padded RAR files
• 4.0 Tweaked handing of file block headers and summaries
• 3.9 Improved methods for extracting file contents
• 3.8 Added support for byte ranges, better handling of RAR fragments
• 3.7 Added more info to Archive block output
• 3.6 Improved handling of Marker blocks, with new test files
• 3.5 Improved Marker block searching
• 3.4 Improved property initialization
• 3.3 Moved dos2unixtime() to ArchiveReader
• 3.2 Added RarInfo::getFileData() and RarInfo::saveFileData(); Data & open file handles now persist until closed manually
• 3.1 Now uses ArchiveReader::int64() for handling 64-bit integers
• 3.0 Improved speed when handling RAR file fragments
• 2.9 Refactored quite a lot to allow easier extension
• 2.8 Added support for files larger than PHP_INT_MAX bytes
• 2.7 Fixed read & seek issues
• 2.6 Improved input error checking, fixed reset bug
• 2.5 Code cleanup & optimization, added fileCount
• 2.4 Better method for unpacking unsigned longs
• 2.3 Added skipping of directory entries, unicode fixes
• 2.2 Fixed some seeking issues, added more Archive End info
• 2.1 Better support for analyzing large files from disk via open()
• 2.0 Proper unicode support with ported UnicodeFilename class
• 1.9 Basic unicode support, fixed password & salt info
• 1.8 Better info for multipart files, added PACK_SIZE properly
• 1.7 Improved support for RAR file fragments
• 1.6 Added extra error checking to read method
• 1.5 Improved getSummary method output
• 1.4 Added filename sanity checks & maxFilenameLength variable
• 1.3 Fixed issues with some file headers lacking LONG_BLOCK flag
• 1.2 Tweaked seeking method
• 1.1 Fixed issues with PHP not handling unsigned longs properly (pfft)
• 1.0 Initial release

RarUnicodeFilename (in rarinfo.php)

Class for handling unicode filenames in RAR archive listings.

• 1.2 Fixed issues with byte processing
• 1.1 Renamed class to avoid collisions
• 1.0 Initial release

SfvInfo (extends ArchiveReader)

Class for inspecting the contents of SFV verification files.

• 2.1 Added extra check for correct file length
• 2.0 Changed getFileList() to return empty array on error
• 1.9 Added use_range value to getSummary() output
• 1.8 Added support for ArchiveInfo
• 1.7 Added support for byte ranges
• 1.6 Fixed regex greediness with extra whitespaces
• 1.5 File comments are now stored
• 1.4 Now supports all line ending types
• 1.3 Improved check for valid SFV data only
• 1.2 Fixed last byte being discarded when analyzing
• 1.1 Results of getFileList() made consistent with other inspectors
• 1.0 Initial release

SrrInfo (extends RarInfo)

Class for inspecting the contents of SRR files and reporting on the RAR files that they cover, as well as allowing extraction of any stored files that they might contain.

• 2.3 Changed getFileList() to return empty array on error
• 2.2 Tweak to support RarInfo 4.9
• 2.1 Added stricter check for SRR Marker block
• 2.0 Added support for ArchiveInfo
• 1.9 Improved analysis performance, cleaned up code
• 1.8 Added handling of OSO hash blocks
• 1.7 Improved handling of invalid extraction requests
• 1.6 Added support for byte ranges
• 1.5 Improved handling of Marker blocks
• 1.4 Improved Marker block searching
• 1.3 Improved property initialization
• 1.2 Data & open file handles now persist until closed manually
• 1.1 Added easier reporting of client info
• 1.0 Initial release

Par2Info (extends ArchiveReader)

Class for inspecting the contents of PAR2 parity files and reporting on the archives that they cover.

• 1.7 Changed getFileList() to return empty array on error
• 1.6 Added support for ArchiveInfo
• 1.5 Improved analysis performance
• 1.4 Added support for byte ranges
• 1.3 Added block count to file list entries
• 1.2 Improved property initialization
• 1.1 Fixed unpacking of unsigned longs
• 1.0 Initial release

ZipInfo (extends ArchiveReader)

Class for inspecting the contents of ZIP archives.

• 2.1 Added CRC32 checksums to the file list output
• 2.0 Changed getFileList() to return empty array on error
• 1.9 Improved handling of external clients, including Windows fix
• 1.8 Added option for extracting files with external clients
• 1.7 Fixed finding the marker signature
• 1.6 Added support for ArchiveInfo
• 1.5 Improved analysis performance, cleaned up code
• 1.4 Improved methods for extracting file contents
• 1.3 Added support for byte ranges
• 1.2 Improved property initialization
• 1.1 Fixed filecount when CDR is missing
• 1.0 Initial release

SzipInfo (extends ArchiveReader)

Class for inspecting the contents of 7-zip (.7z) archives.

• 1.4 Improved processing of substreams info
• 1.3 Fixed getPackedRanges() output
• 1.2 Added CRC32 checksums to the file list output
• 1.1 Fixed parsing of substream digests
• 1.0 Initial release

PipeReader

A utility class for handling the piped output of an external command.

• 1.2 Added readLine() method
• 1.1 Fixed visibility of pipe handle
• 1.0 Initial release

Testing

Some basic unit tests using PHPUnit are in /tests, with sample files in /tests/fixtures (run generate.php from there first and on each pull), more coverage and any Github-friendly samples are always welcome. Some optional tests require external binaries (see /tests/bin/README.md). Enjoy :)